Gce Model Questions Vol1 2020 Computer Studies Question 25

Practice objective / multiple choice question 25 from the 2020 Gce Model Questions Vol1 Computer Studies examination.

Gce Model Questions Vol1 2020 Computer Studies Objective / Multiple Choice Medium Difficulty
Question 25 GCE_MODEL_QUESTIONS_VOL1 • 2020 • COMPUTER_STUDIES • objective

A survey of 160 computer users gives the following frequency distribution of ages:\n\n15‑24 years: 40 users\n25‑34 years: 55 users\n35‑44 years: 30 users\n45‑54 years: 20 users\n55‑64 years: 15 users\n\n(a) Estimate the inter‑quartile range (IQR) of the ages (to one decimal place).\n(b) What percentage of users are older than 40 years? (Give your answer to one decimal place.)

Answer Options

A. IQR ≈ 16.0 years; percentage >40 ≈ 31.2%
B. IQR ≈ 20.3 years; percentage >40 ≈ 27.5%
Correct Answer C. IQR ≈ 18.5 years; percentage >40 ≈ 29.4%
D. IQR ≈ 18.5 years; percentage >40 ≈ 35.0%
Correct Answer
C
Correct Option:
IQR ≈ 18.5 years; percentage >40 ≈ 29.4%

About This Question

This is Gce Model Questions Vol1 2020 Computer Studies Question 25. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Computer Studies examination.

Difficulty level: Medium .

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